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Refereed papers(70) Non-refereed papers(123) Review Papers(8) Books(6) 
 

Refereed papers (70)

 
  1. Investigation of Ion Dependence of Electronic Structure for 3d3 Ions in MgTiO4 Based on First-Principles Configuration-Interaction Calculations
    M. Novita, H. Yoshida, K. Ogasawara
    ECS Transactions 50 (2013) 9-17.
  2. Comparative Study on Auger-free Luminescence of Rb2ZnCl4 Crystals between Experiment and Calculation,
    M. Kitaura, S. Watanabe, K. Ogasawara, A. Ohnishi, M. Sasaki,
    Physica Status Solidi (c) 10 (2013) 993-996
  3. Comparative Study of Absorption Spectra of V2+, Cr3+ and Mn4+ in α-Al2O3 Based on First-Principles Configuration-Interaction Calculations,
    M. Novita and K. Ogasawara,
    J. Phys. Soc. Jpn. 81(2012) 104709
  4. Comparative study of multiplet structures of Mn4+ in K2SiF6 , K2GeF6 and K2TiF6 based on first-principles configuration-interaction calculations,
    M. Novita and K. Ogasawara,
    Jpn. J. Appl. Phys. 51 (2012) 022604
  5. Relativistic many-electron calculations of Cr3+ L2,3-edge x ray absorption near-edge structures for Cr3+:α-Al2O3 andα-Cr2O3 and magnetic circular dichroism of Cr3+ L2,3 -edge x ray absorption near-edge structures for Cr3+:α-Al2O3
    S. Watanabe, T. Nagasaki, and K. Ogasawara,
    J. Appl. Phys. 110 (2011) 123524 (7 pages)
  6. First-principles and experimental analysis of fn-fn-1d1 absorption spectra and multiplet energy levels of Pr3+, Nd3+, and U3+ in LiYF4
    S. Watanabe, K. Ogasawara, M. Yoshino, and T. Nagasaki,
    Phys. Rev. B 79 (2010) 125128, 1-18
  7. Electronic states of Nd3+ ions in phosphate glasses calculated by the discrete-variational multi-electron method,
    Y. Kowada and K. Ogasawara,
    Journal of Non-crystalline Solids 356 (2010) 2454-2457
  8. First-principles calculation of ground and excited-state absorption spectra of ruby and alexandrite considering lattice relaxation,
    S. Watanabe, T. Sasaki, R. Taniguchi, T. Ishii and K. Ogasawara,
    Phys. Rev. B 79 (2009) 075109, 1-9
  9. Theoretical Analysis of Phosphors Based on First-Principles Cluster Calculations Using the Relativistic DVME Method,
    H. Yoshida and K. Ogasawara,
    ECS Transactions 16 (2009) 35-40
  10. Total Cluster Energy Calculation of Lithium Ion Conductors by the DV-Xα Method,
    Y. Kowada, W. Nishitani, K. Ogasawara,
    Int. J. Quant. Chem. 109 (2009) 2658-2663
  11. Fluorescence spectra of Pr3+ ions in phosphate materials calculated by the DVME method,
    Y. Kowada, S. Noma, and K. Ogasawara,
    Int. J. Quant. Chem. 109 (2009) 2753-2757
  12. First-Principles Calculation of Magnetic Circular Dichroism of Transition-Metal L2,3-Edge X-ray Absorption Near-Edge Structures,
    K. Ogasawara, A. Chaya, S. Watanabe, and H. Yoshida,
    Int. J. Quant. Chem. 109 (2009) 2672-2676
  13. Mechanism of luminescence enhancement in Ca4YO(BO3)3:Eu3+ by Gd substitution under vacuum ultraviolet light excitation,
    T. Mashiko, K. Ueda, H. Yoshida, K. Ogasawara, H. Yamamoto,
    J. Electrochem. Soc. 155 (2008) J335-339
  14. Experimental and First-Principles Analysis of 4f-5d Absorption Spectrum for Ce3+ in LiYF4 Considering Lattice Relaxation,
    S. Watanabe and K. Ogasawara,
    J. Phys. Soc. Jpn. 77 (2008) 084702, 1-7
  15. Experimental and theoretical investigations for excitation properties of BaMgAl10O17:Eu2+
    H. Yoshida, T. Yamazaki, H. Toyoshima, S. Watanabe, K. Ogasawara, and H. Yamamoto
    J. Electrochem. Soc. 154 (2007) J196-J200
  16. Microscopic analysis of 5d states splitting and charge transfer energies dependence on interionic distance in alkaline earth fluorides doped with light trivalent lanthanides
    M.G. Brik and K. Ogasawara
    Spectr. Lett. 40 (2007) 221-235
  17. First-principles calculations of 4f-5d optical absorption spectra in BaMgAl10O17:Eu
    H. Toyoshima, S. Watanabe, K. Ogasawara, H. Yoshida
    J. Lumin. 122-133 (2007) 104-106
  18. Luminescence properties of YAl3(BO3)4:Gd3+ phosphors substituted with Sc3+ ions
    H. Yoshida, R. Yoshimatsu, K. Ogasawara
    J. Lumin. 122-123 (2007) 488-491
  19. First-principles calculations of the V3+ absorption spectra in LiAlO2 and LiGaO2
    M. G. Brik, K. Ogasawara
    J. Non-Crystal. Solids 352 (2006) 2376-2379
  20. Fully relativistic calculations of the L2,3-edge XANES spectra for vanadium oxides
    M. G. Brik, K. Ogasawara, H. Ikeno, I. Tanaka
    Eur. Phys. J. B51 (2006) 345-355
  21. Crystal field analysis of energy level structure of LaF3:Eu3+
    M. G. Brik, I. Tanaka, T. Ishii, K. Ogasawara, A. Nakamura, S. Watanabe
    J. Alloys comps. 408-412 (2006) 753-756
  22. Optical Transitions Near the Fundamental Absorption Edge and Electronic Structure of YAl3(BO3)4:Gd3+
    H. Yoshida, R. Yoshimatsu, S. Watanabe, K. Ogasawara
    Jpn. J. Appl. Phys. 45 (2006) 146-151
  23. Fully relativistic analysis of the absorption spectra of Ca3Sc2Ge3O12:Ni2+
    M. G. Brik and K. Ogasawara
    Phys. Stat. sol. (b) 243 (2006) 2864-2873
  24. First principles calculations of the L2,3-edge XANES spectra for V2O3
    M. G. Brik, K. Ogasawara, T. Ishii, H. Ikeno, I. Tanaka
    Rad. Phys. Chem. 75 (2006) 1564-1570
  25. Luminescence Properties of YAl3(BO3)4 Substituted with Sc3+ Ions
    H. Yoshida, K. Fujikawa, H. Toyoshima, S. Watanabe, K. Ogasawara
    Physica Status Solidi (a) 203 (2006) 2701-2704
  26. Microscopic analysis of the crystal field strength and charge transfer energies in the elpasolite crystals Cs2NaYX6 (X=F, Cl, Br) doped with Cr3+
    M. G. Brik, K. Ogasawara
    Phys. Rev. B74 (2006) 045105
  27. First-principles relativistic calculation for 4f-5d transition energy of Ce3+ in various fluoride hosts
    S. Watanabe, T. Ishii, K. Fujimura, K. Ogasawara
    J. Solid State Chem. 179 (2006) 2438-2442
  28. Relativistic Calculations of Complete 4fn energy level schemes of free Trivalent rare-earth ions,
    K. Ogasawara, S. Watanabe, T. Ishii, M. G. Brik
    Jpn. J. Appl. Phys. 44 (2005) 7488-7490
  29. First principles multi-electron calculations of Ni L2,3 NEXAFS/ELNES for LiNiO2 and related compounds
    H. Ikeno, I. Tanaka, Y. Koyama, T. Mizoguchi, K. Ogasawara
    Phys. Rev. B72 (2005) 075123
  30. Optical spectra of trivalent lanthanides in LiYF4 crystal
    K. Ogasawara, S. Watanabe, H. Toyoshima, T. Ishii, M.G. Brik, H. Ikeno, I. Tanaka
    J. Solid State Chem., 178 (2005) 412-418
  31. First-principles analysis method for the multiplet structures of rare-earth ions in solids
    T. Ishii, M.G. Brik, K. Ogasawara
    J. Alloys Comps. 380 (2004) 136-140
  32. First-principles analysis for the optical absorption spectra of metal ions in solids
    T. Ishii, K. Ogasawara, H. Adachi, P. Burmester, G. Huber
    Int. J. Quant. Chem. 99 (2004) 488-494
  33. First-Principles Calculation of 4fn-4fn-15d 1 Transitions of Rare-Earth Ions in LiYF4 and LiYbF4
    H. Toyoshima, S. Watanabe, K. Ogasawara, H. Ikeno, and H. Adachi
    Transactions of the Materials Research Society of Japan, 29 (2004) 3707-3709
  34. First Principles Calculation of Fe L2,3-edge X-ray Absorption Near Edge Structures of Iron Oxides
    H. Ikeno, I. Tanaka, T. Miyamae, T. Mishima, H. Adachi, K. Ogasawara
    Materials Transactions 45, (2004) 1414-1418
  35. Calculations of complete 4fn and 4fn-15d1 energy level schemes of free trivalent rare-earth ions
    K. Ogasawara, S. Watanabe, Y. Sakai, H. Toyoshima, T. Ishii, M.G. Brik, I. Tanaka,
    Jpn. J. Appl. Phys. 43 (2004) L611-L613.
  36. First-principles analysis method for the <>f-d transitions of heavy metal ions
    T. Ishii, M.G. Brik, K. Fujimura, K. Sato, and K. Ogasawara
    J. Alloys Comps. 374 (2004) 18-21
  37. Many-electron calculation for the analysis of optical absorption spectra in Cr4+-doped solid-state laser crystals
    T. Ishii, K. Ogasawara, and H. Adachi,
    Advances in Quantum Chemistry, 42 (2003) 67-76
  38. Many-electron theory for electronic transition process - Its importance in materials science-
    Hirohiko Adachi and Kazuyoshi Ogasawara,
    Advances in Quantum Chemistry, 42 (2003) 1-22
  39. First-principles analysis for the multiplet structures of tetrahedrally and octahedrally oxo-coordinated 3d2 and 3d3 transition metals
    Takugo Ishii, Kazuyoshi Ogasawara, and Hirohiko Adachi,
    J. Chem. Phys. 116 (2002) 471-479
  40. First-principles Calculation of Transition-metal L2,3-edge Electron-energy-loss Near-edge structures Based on Direct Diagonalization of the Many-electron Hamiltonian
    Kazuyoshi Ogasawara, Toru Miyamae, Isao Tanaka, and Hirohiko Adachi,
    Materials Transactions, 43 (2002) 1435-1438
  41. First-principles calculation of ELNES by LCAO methods
    Isao Tanaka, Teruyasu Mizoguchi, Masato Yoshiya, Kazuyoshi Ogasawara, H. Adachi, Shang-Di Mo, Wai-Yim Ching
    J. Electr. Microsc. 51 (2002) S107-S11
  42. Relativistic multiplet calculations of absorption spectra for rare-earth-based solid-state laser materials
    Koji Fujimura, Tetsuya Tohei, Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka, and Hirohiko Adachi,
    Proceedings of Forth Pacific Rim International Conference on Advanced Materials and Processing (PRICM4) (2001) 583-585
  43. Relativistic multiplet calculation of transition-metal L2,3 edge ELNES
    Kazuyoshi Ogasawara, Takahiro Iwata, Isao Tanaka, and Hirohiko Adachi,
    Proceedings of Forth Pacific Rim International Conference on Advanced Materials and Processing (PRICM4) (2001) 549-550
  44. First-Principle Calculation for Absorption Spectrum of Cr4+: Ca2MgSi2O7 (akermanite)
    Takugo Ishii, Koji Fujimura, Kazuyoshi Ogasawara, Isao Tanaka, and Hirohiko Adachi
    Laser Optics 2000: Solid State Lasers, edited by V. I. Ustugov,
    Proceedings of SPIE Vol. 4350 (2001) 90-98
  45. Ab-initio calculation for multiplet structurues of tetrahedrally coordinated Cr4+ in silicate crystals
    Takugo Ishii, Koji Fujimura, Kazuyoshi Ogasawara, H. Adachi, Isao Tanaka,
    J. Phys. Condens. Matter, 13 (2001) 5757-5784
  46. Relativistic cluster calculation of ligand-field multiplet effects on cation L2,3 x-ray-absorption edges of SrTiO3, NiO and CaF2
    Kazuyoshi Ogasawara,Takahiro Iwata, Yukinori Koyama, Takugo Ishii, Isao Tanaka, and Hirohiko Adachi,
    Phys. Rev. B64, 115413 (2001) 1-5
  47. Chemical effects on F KLL Auger spectra in fluorides
    L. Kover, M. Uda, I. Cserny, J. Toth, J. Vegh, D. Varga, K. Ogasawara, and H. Adachi,
    J. Vac. Sci. Technol. A19 (2001) 1143-1149
  48. Multiplet structure of Cr4+ at tetrahedrally coordinated site in Y3Al5O12
    Takugo Ishii, Kazuyoshi Ogasawara, H. Adachi, Isao Tanaka,
    J. Chem. Phys. 115 (2001) 492-508
  49. Multiplet structures of tetrahedrally coordinated Cr4+ and Cr5+ in Y3Al5O12
    Takugo Ishii, Kazuyoshi Ogasawara, Hirohiko Adachi, and Isao Tanaka,
    Appl. Phys. Lett. 78 (2001) 2154-2156
  50. Core-hole effects on theoretical electron-energy-loss near-edge structure and near-edge x-ray absorption fine structure of MgO
    Teruyasu Mizoguchi, Isao Tanaka, Masato Yoshiya, Fumiyasu Oba, Kazuyoshi Ogasawara and Hirohiko Adachi,
    Phys. Rev. B61 (2000) 2180-2187
  51. Calculation of multiplet structures of Cr3+ and V3+ in α-Al2O3 based on a hybrid method of density functional theory and the configuration interaction
    Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    Phys. Rev. B61 (2000) 143-161
  52. Effect of Intrinsic Trigonal Distortion on the Multiplet Structures of Ruby and Emerald
    Yukiko Ito, Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Adv. Quant. Chem. 37 (2000) 85-96.
  53. First-Principles Calculation for Multiplet Structure of Emerald
    Takugo Ishii, Kazuyoshi Ogasawara, Hirohiko Adachi, Yukiko Ito and Isao Tanaka
    Adv. Quant. Chem. 37 (2000) 97-110.
  54. Separation of the Effects of Charge Transfer, Covalency and Electron Correlation on the Multiplet Structure of Ruby Based on First-Principles Cluster Calculations
    Kazuyoshi Ogasawara, Takugo Ishii, Hidenori Ida, Isao Tanaka and Hirohiko Adachi,
    Adv. Quant. Chem. 37 (2000) 69-83.
  55. First principles calculations of electron-energy-loss near-edge structure and near-edge x-ray-absorption fine structure of BN polytypes using model clusters
    Isao Tanaka, Hiroyuki Araki, Masato Yoshiya, Teruyasu Mizoguchi, Kazuyoshi Ogasawara and Hirohiko Adachi,
    Phys. Rev. B60 (1999) 4944-4951.
  56. Localization effects in nuclear spin relaxation of a charge-transfer complex
    Hiroshi Tsukada, Takao Goto, Kazuyoshi Ogasawara
    Synth. Met. 102 (1999) 1689-1690.
  57. First-Principles Calculation of Optical Spectra for Transition-Metal Impurities Doped in ZnO and ZnS
    Kazuyoshi Ogasawara, Takugo Ishii, Fumiyasu Oba, Isao Tanaka and Hirohiko Adachi,
    Mat. Res. Soc. Symp. Proc. 560 (1999) 341-346.
  58. Theoretical Calculation for Multiplet Structure of Chromium Ion Pair in Ruby
    Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Materials Transactions, JIM 40 (1999) 416-419.
  59. Calculation of Multiplet Structurue of Ruby Using Explicit Effective Hamiltonian
    Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    Materials Transactions, JIM 40 (1999) 396-399.
  60. Cluster calculation of oxygen K-edge electron-energy-loss near-edge structure of NiO
    Hideyuki Kanda, Masato Yoshiya, Fumiyasu Oba, Kazuyoshi Ogasawara, Hirohiko Adachi and Isao Tanaka,
    Phys. Rev. B58 (1998) 9693-9696.
  61. Analysis of Covalent Effects on the Multiplet Structure of Ruby Based on First-Principles Cluster Calculations
    Kazuyoshi Ogasawara, Takugo. Ishii, Yukiko Ito, Hidenori Ida, Isao Tanaka and Hirohiko Adachi,
    Jpn. J. Appl. Phys. 37 (1998) 4590-4594.
  62. Proton Spin Relaxation due to Localization in Weakly Disordered System of BO-C10TCNQ Complex
    Hiroshi Tsukada, Takao Goto, Kazuyoshi Ogasawara, Sachio Horiuchi, Hideki Yamochi and Gunzi Saito,
    J. Phys. Soc. Jpn. 67 (1998) 1556-1559.
  63. Analysis of Core-Hole Effect in Cation L2,3-Edge of MgO, α-Al2O3 and SiO2 Based on DV-Xα Cluster Calculations
    Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Adv. Quant. Chem. 29 (1997) 441-466.
  64. A new highly conductive BO-(MeO)2TCNQ Langmuir-Blodgett film
    Kazuyoshi Ogasawara, Takehiko Ishiguro, Sachio Horiuchi, Hideki Yamochi, Gunzi Saito and Yoshio Nogami,
    Synth. Met. 86 (1997) 1835-1836.
  65. PERCOLATION CONDUCTION IN BO-C10TCNQ CONDUCTIVE LANGMUIR-BLODGETT FILMS
    Kazuyoshi Ogasawara, Takehiko Ishiguro, Sachio Horiuchi, Hideki Yamochi, Gunzi Saito and Yoshio Nogami,
    J. Phys. Chem. Solids 58 (1997) 39-49.
  66. A New Metallic Langmuir-Blodgett Film Formed with BO2-(MeO)2TCNQ, where BO is Bisethylenedioxytetrathiafulvalene and (MeO)2TCNQ is Dimethoxytetracyanoquinodimethane
    Kazuyoshi Ogasawara, Takehiko Ishiguro, Sachio Horiuchi, Hideki Yamochi and Gunzi Saito,
    Jpn. J. Appl. Phys. 35 (1996) L571-L573.
  67. Structural study of the highly conductive tridecylmethylammonium-Au(dmit)2 Langmuir-Blodgett films
    Hideaki Matsuzaki, Kazuyoshi Ogasawara, Takehiko Ishiguro, Yoshio Nogami, Motoki Taoda, Hiroki Tachibana, Mutsuyoshi Matsumoto and Takayoshi Nakamura,
    Synth. Met. 74 (1995) 251-255.
  68. Atomic Size Effect in the X-Ray Diffraction for Partially Disordered One-Dimensional Molecular Superlattice
    Kazuyoshi Ogasawara, Yoshio Nogami, Takehiko Ishiguro,
    J. Phys. Soc. Jpn. 63 (1994) 4260-4261.
  69. High Resolution X-Ray Study on Anomalous Diffraction Peak Shift in Dimerized Langmuir-Blodgett Superlattice Films
    Yoshio Nogami, Kazuyoshi Ogasawara, Shigeki Takeuchi, Takehiko Ishiguro, Tetsuo Nakajima, Kazumasa Ohsumi and Yutaka Shimizugawa,
    J. Phys. Soc. Jpn. 62 (1993) 3114-3126.
  70. UNUSUAL X-RAY DIFFRACTION VECTOR SHIFT OBSERVED IN HETEROGENEOUS LANGMUIR-BLODGETT MULTILAYER FILMS
    Yoshio Nogami, Kazuyoshi Ogasawara, Shigeki Takeuchi, Takehiko Ishiguro, Kazumasa Ohsumi and Yutaka Shimizugawa,
    Mat. Res. Soc. Symp. Proc. 247 (1992) 835-840.
 
 

Non-refereed papers (123)

  1. First-Principles Calculation of the Auger-Free Luminescence Spectrum of Rb2ZnCl4
    M. Kitaura, S. Watanabe, K. Ogasawara, A. Ohnishi, and M. Sasaki
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 65-68.
  2. Absorption and fluorescence spectra of Tb3+ in phosphate glasses
    Y. Kowada and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 69-72.
  3. Practical multiplet energy level diagrams for V2+, Cr3+, Mn4+ ions in oxides and fluorides
    H. Nagoshi, S. Watanabe, H. Yoshida, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 108-112.
  4. Electronic Study of Spectrochemical Series and Tanabe-Sugano Diagram
    R. Matsushima, R. Watanabe, S Tsuboi, M. Iwakura, G. Sakane, K. Ogasawara, and T. Ishii
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 120-123.
  5. First-principles calculation of ZnS nanocluster and bulk
    T. Gunshi, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 124-127.
  6. Origin of crystal field splitting of 7F1 level of Eu3+ in Ln2SnO7
    T. Katakami, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 128-130.
  7. Excited State Electronic Structure of Solids
    B.A. Walker, K. Ogasawara, P. Rulis
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 131-133.
  8. First-principles calculations of 4f2-4f5d absorption spectra of Pr3+ in oxyorthosilicate crystals
    M. Kobayashi, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 134-137.
  9. First-principles calculations of absorption spectra of europium ion in Ba3SiO5 and its analogues
    M. Yotsuji, A. Suzuki, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 138-140.
  10. Analysis of absorption spectra of impurity transition-metal ions inα-Al2O3 based on first-principles calculation
    E. Fujita, M. Motomura, T. Yamakawa, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 141-143.
  11. First-principles calculation of absorption spectra for the trivalent cerium in sulfides and oxides
    T. Matsuguma, Y. Senda, A. Nagai, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 144-148.
  12. First-principles calculations of absorption spectra for Ce3+ and Eu2+ doped in nitrides
    H. Tamura, T. Matsushita, S. Watanabe, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 149-152.
  13. Investigation of Ion Dependence of Optical Spectra for Isoelectronic 3d3 ions inα-Al2O3
    M. Novita, H. Yoshida, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 25 (2012) 157-159.
  14. Electronic Study of the Ligand Field Splitting and Physical Property by Means of Multielectron Calculation of Octahedral Metal Complex
    R. Watanabe, T Ishii, K. Ogasawara, and G. Sakane
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 40-45.
  15. The dependence of well potential and sample points on the molecular orbitals energy and multiplet energy
    M. Kobayashi, K. Higashiura, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 129-134.
  16. The origin of spectroscopic red shift of 4f-5d transition energy in YAG:Ce3+
    K. Higashiura and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 135-140.
  17. The 3D visualization of non-relativistic and relativistic wave functions of uranium atom
    T. Katakami and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 141-144.
  18. Electronic Study on the π-Condugated Compounds
    Y. Ogawa, T. Ishii, K. Ogasawara, and G. Sakane
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 157-162.
  19. Theoretical Prediction of Wavelength of Absorption spectrum of Photochromic Compounds
    Y. Watanabe, M. Kenmotsu, T. Ishii, G. Sakane, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 163-167.
  20. Effect of orbital relaxation in 5d orbitals of impurity rare earth ions in LiYF4
    R.Kanaoka, K. Higashiura, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 168-172.
  21. More practical multiplet energy level diagrams for dn ions based on bond lengths and absolute energies
    H. Nagoshi, K. Higashiura, H. Yoshida, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 173-180.
  22. The analysis of orbital relaxation in d-d transition of V2+ in α-Al2O3
    T. Yoshida, K. Higashiura, H. Nagoshi, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 181-186.
  23. First-principles calculation of multiplet structures of Mn4+ in K2SiF6, K2GeF6, and K2TiF6
    M. Novita, K. Higashiura, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 187-190.
  24. The analysis of the energy level of CdTe bulk and surface by first-principles calculations
    K. Yokono, S. Yamaji, K. Higashiura, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 214-219.
  25. First-principles calculation of absorption spectra of transition-metal impurities in α-Al2O3
    S. Hashimoto, H. Nagoshi, K. Higashiura, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 24 (2011) 220-225.
  26. Predictability of 4f2-4f15d1 absorption spectra for Pr3+ in fluorides using relativistic discrete variational multielectron method
    Kazuki Higashiura and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 23 (2010) 177-184.
  27. First-principles calculation of absorption spectra for Cr3+ in beryl, V3+ in beryl, and V3+ in α-Al2O3
    Hikari Nagoshi, Sayuri Nakata, Kosuke Tsujikawa, Kazuki Higashiura, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 23 (2010) 160-166.
  28. First-principles calculation of absorption spectra for V3+ in YAG, Co2+ in YAG, and Co2+ in spinel
    Daisuke Sato, Ami Ishikura, Shota Minami, Kazuki Higashiura, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 23 (2010) 123-130.
  29. First-principles calculation of transition-metal L2,3-edge X-ray absorption near-edge structures for TiO2 , VO2, and CrO2
    Shigeki Okada, Iori Tanimura, Masayuki Matsutani, Kazuki Higashiura, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 23 (2010) 110-116.
  30. Toward the 3D visualization of relativistic wave functions for intuitive understanding
    Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 23 (2010) 100-103.
  31. Electronic States of Nd3+ Ions in Phosphate Glasses Calculated by the DVME Method
    Y.Kowada and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα22 (2009) 292-294.
  32. Relativistic DV-Xα Calculation of Energy Band Split in Strained Silicon Crystal
    Seigo Kishino, Kazuyoshi Ogasawara, and Hisashi Yoshida
    Bulletin of the Society for Descrete Variational Xα22 (2009) 267-274.
  33. First-principles calculation of theoretical absorption spectra of Ce3+ in alkaline earth silicates
    Yoshiki Matsubara and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 178-183.
  34. First-principles calculation of absorption spectra of Ce3+ in LiCaAlF6 and LiSrAlF6
    Ken Hagimori and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 161-165.
  35. First-principles calculation of energy levels of Cr in garnet-type crystals
    Takeshi Horikawa and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 156-160.
  36. First-principles calculation of 4f-5d absorption spectra for Ce3+ in borates
    Kenkichi Sowa and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 151-155.
  37. First-principles calculation of multiplet structures and absorption spectra of ruby and eskolaite
    Kazuki Higashiura and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 146-150.
  38. First-principles calculation of absorption spectra of Cr3+ in colquiriite-type fluorides
    Y. Minamino and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 141-145.
  39. Predictions of magnetic circular dichroism of rare-earth iron garnets based on first-principles calculation
    S. Hirayama, S. Yamaguchi and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 138-140.
  40. Comprehensive Analysis for Co2+ Impurity Doped in II-VI Semiconductors Based on First-Principles Calculation
    Sojiro Yamaguchi and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 22 (2009) 101-107.
  41. Fluorescence Spectra of Rare-Earth Ions in Phosphate Glasses Calculated by the DVME Method
    Y. Kowada, S. Noma, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 105-109.
  42. First-principles calculation of magnetic circular dichroism of transition-metal L2,3-edge x-ray absorption near-edge structures
    K. Ogasawara, S. Watanabe, A. Chaya, and H. Yoshida
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 64-64.
  43. Effects of relativistic exchange-correlation potential on the L2,3-edge XANES for the 3d transition metals in rock-salt type oxides
    Ayako Yamamoto, Hisashi Yoshida, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 254-258.
  44. Systematic Analysis of Multiplet Energy Levels and Theoretical Absorption Spectra for Transition-Metal Impurities Doped in ZnS
    Sojiro Yamaguchi and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 247-253.
  45. Effect of nuclear radius and well potential on atomic calculation of Fe and Gd
    M.Hirano and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 240-246.
  46. First-principles analysis of magnetic circular dichroism for 4f6 intra-configurational transitions of Eu3+ ion in YAl3(BO3)4
    Akinori Chaya, Hisashi Yoshida, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 234-239.
  47. First-principles calculation of emission spectra for YBO3:Eu3+ and Y2O2S:Eu3+
    Yohei Ishida, Hisashi YOshida, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 229-233.
  48. The Electronic State of Rare-Earth Ions in Phosphate Glasses
    Shoko Noma, Yoshiyuki Kowada, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 222-228.
  49. Total Cluster Energy Calculation of Diagomic Molecules and Lithium Ion Conductors by the DV-Xα Method
    W. Nishitani, Y. Kowada, and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 21 (2008) 215-221.
  50. Theoretical Investigation on Electronic Structure of Phosphors Using the DV-Xα and DVME Methods
    Hisashi Yoshida and Kazuyoshi Ogasawara
    Proceedings of IDW ’07 (2007) 2139-2142.
  51. Luminescence and excitation properties of host lattice and Eu2+ ions in BaMgAl10O17:Eu2+ phosphor
    Hisashi Yoshida, Hiroaki Toyoshima, Shinta Watanabe, Kazuyoshi Ogasawara, and Hajime Yamamoto
    SID 07 DIGEST (2006) 526-529.
  52. Temperature dependence of absorption spectra for Pr3+ in LiYF4
    S. Watanabe, H. Kai, H. Yoshida, K. Ogasawara
    UVSOR Activity Report 2006 (2007).
  53. Luminescence and Properties of host lattice and Eu2+ ions in BaMgAl10O17:Eu phosphor
    H. Yoshida, H. Kai, S. Watanabe, K. Ogasawara
    UVSOR Activity Report 2006 (2007) p.70.
  54. Present situation and future program development of the DVME method
    Hisashi Yoshida and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 20 (2007) 235-241.
  55. First-principles calculation of d-d transition spectra of Mn2+ in crystals
    Hidenari Kai, Shinta Watanabe, Kazuyoshi Ogasawara, Hisashi Yoshida, and Mamoru Kitaura
    Bulletin of the Society for Descrete Variational Xα 20 (2007) 137-140.
  56. Temperature dependence of 4f2-4f5d absorption spectra for Pr3+ LiYF4 and its analysis based on first-principles calculations
    Shinta Watanabe, Takugo Ishii, Hisashi Yoshida, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 20 (2007) 123-126.
  57. Study of magnetism in Ni alloys based on first-principles calculations
    Akira Kubo, Shinta Watanabe, Kazuyoshi Ogasawara and Hiroki Moriwake
    Bulletin of the Society for Descrete Variational Xα 20 (2007) 66-69.
  58. Development history and future prospect of the DVME method
    Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 20 (2007) 17-19.
  59. First principles calculation of fn-fn-1d1 transition absorption spectra of trivalent lanthanides and actinides in LiYF4
    Shinta Watanabe, Takugo Ishii, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 19 (2006) 89-93.
  60. First-principles calculations of optical spectra for transition metal ions in crystals
    M.G. Brik and K. Ogasawara
    Bulletin of the Society for Descrete Variational Xα 19 (2006) 95-95.
  61. A novel study of phosphors using relativistic DV-Xa method
    Hisashi Yoshida and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 9 (2006) 77-77.
  62. An approach for design of magnetic materials based on spinel ferrites using first-principles calculations
    Akira Kubo, Shinta Watanabe, Hiroki Moriwake, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 19 (2006) 205-209.
  63. First-principles calculations for phosphorescent molecule Ir(ppy)3 used in organic light emitting diodes
    Hidenari Kai, Hisashi Yoshida, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 19 (2006) 187-190.
  64. First-principles calculation of multiplet structures of Ln3+ in YAl3(BO3)4
    Ryusuke Teramoto, Hidenari Kai, Shinta Watanabe, Hisashi Yoshida, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 19 (2006) 106-110.
  65. First principles calculation of multiplet structures and absorption spectra of ns2-type ions
    Kazuhiro Fujikawa, Hisashi Yoshida, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 19 (2006) 99-104.
  66. Luminescence Properties of YAl3(BO3)4:Tb3+ phosphors substituted with Sc3+ ions under VUV excitation
    H. Yoshida, R. Yoshimatsu, K. Ogasawara
    SID 06 DIGEST (2006) 550-553
  67. Luminescence Properties of (Y,Gd)Al3(BO3)4:Tb3+ phosphors substituted with Sc3+ ions
    H. Yoshida, K. Fujikawa, H. Toyoshima, S. Watanabe, K. Ogasawara
    UVSOR Activity Report 2005 (2006) p.76.
  68. Luminescence Properties of YAl3(BO3)4 substituted with Sc3+ ions
    H. Yoshida, K. Fujikawa, H. Toyoshima, S. Watanabe, K. Ogasawara
    UVSOR Activity Report 2005 (2006) p.75.
  69. 1.5μm luminescence and electronic structure in Er-doped perovskite-type oxides
    M. Yoshino, T.Ito, T. Ito, K. Iwasaki, A. Koizumi, T. Komori, T. Ayukawa, Z. Zhou, H. Toyoshima,  Kazuyoshi Ogasawara, Y. Takeda, M. Morinaga, T. Matsui, and T. Nagasaki.
    Bulletin of the Society for Descrete Variational Xα 18, No.2 (2005) 56-61.
  70. Electronic Structure of the Phosphors by DV-Xα Method
    Hisashi Yoshida, Takugo Ishii, and  Kazuyoshi Ogasawara,
    Bulletin of the Society for Descrete Variational Xα 18, No.2 (2005) 149-153.
  71. First-principles calculations of optical spectra in BaMgAl10O17:Eu used for blue phosphor
    Hiroaki Toyoshima, Shinta Watanabe, Kazuyoshi Ogasawara, Hisashi Yoshida
    Bulletin of the Society for Descrete Variational Xα 18, No.2 (2005) 299-302.
  72. The analysis of multiplet structures of atoms and ions using first-principles calculation
    Kazuhiro Fujikawa, Takugo Ishii, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 18, No.2 (2005) 294-298.
  73. First-principles calculation of ground-state and excited-state absorption spectra for Pr3+ and Nd3+ in LiYF4
    Shinta Watanabe, Takugo Ishii, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 18, No.2 (2005) 288-293.
  74. First-principles calculations of absorption spectra for spectrochemical series of transition metal complexes
    Ryusuke Teramoto, Hidenari Kai, Takugo Ishii, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 18, No.2 (2005) 284-287.
  75. The electronic structure and the effect of Sc3+ substitution of Gd3+-doped YAl3(BO3)4 phosphors
    Hisashi Yoshida, Ryo Yoshimatsu, Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 18, No.1 (2005) 155-158.
  76. Calculation of absorption spectrum from Er2O3
    Akihiro Shimode, Masahito Yoshino, Zhen Zhou, Masahiko Morinaga, Hiroaki Toyoshima, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.2 (2004) 226-228.
  77. First-principles calculation of multiplet structure of Eu ions in Si3N4 crystals
    Mitsunori Mano, Hiroaki Toyoshima, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.2 (2004) 222-225.
  78. First-principles calculation of multiplet structures of rare-earth ions in YVO4 crystals
    Kazuhiro Fujikawa, Hiroaki Toyoshima, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.2 (2004) 219-221.
  79. First-principles calculation of multiplet structures of Tb3+ in YBO3
    Ryusuke Teramoto, Kazuyoshi Ogasawara, and Hisashi Yoshida
    Bulletin of the Society for Descrete Variational Xα 17, No.2 (2004) 215-218.
  80. First-principles calculation of alexandrite considering the lattice relaxation
    Rie Taniguchi, Shinta Watanabe, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.2 (2004) 210-214.
  81. First-principles calculation of multiplet structures and absorption spectra of Cr3+:Al2O3 including lattice relaxation effects
    Tomomi Sasaki, Kazuyoshi Ogasawara, and Shinta Watanabe
    Bulletin of the Society for Descrete Variational Xα 17, No.2 (2004) 205-209.
  82. First-principles calculation of f-d transition spectra and multiplet structures of trivalent lanthanides and actinides in LiYF4
    Shinta Watanabe, Takugo Ishii, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.1 (2004) 173-179.
  83. First-principles calculations of Eu L3-edge XANES spectrum for BaMgAl10O17:Eu2+
    Hiroaki Toyoshima, Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.1 (2004) 169-172.
  84. History on the development of the relativistic DV-ME method
    Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 17, No.1 (2004) 129-133.
  85. Changes in electronic structure by Li intercalation/de-intercalation in LiNiO2
    Hidekazu Ikeno, Teruyasu Mizoguchi, Isao Tanaka, Yukinori Koyama, and Kazuyoshi Ogasawara
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 221-225.
  86. Luminescence properties and crystal structures of Gd doped UV-B ultraviolet phosphors
    Hisashi Yoshida, Ryo Yoshimatsu, Shinta Watanabe, Kazuyoshi Ogasawara,
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 221-225.
  87. First-Principles Calculation of Multiplet Structure of Rare Earth Ions in LaCl3
    Yuki Sakai, Shinta Watanabe, Kazuyoshi Ogasawara,
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 208-212.
  88. First-Principles Calculation of Multiplet Structures for Rare-Earth Ions in LaF3
    Satoshi Sakane, Akihiro Nakamura, Shinta Watanabe, Hiroaki Toyoshima, Kazuyoshi Ogasawara,
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 205-207.
  89. First-Principles Calculation of 4f n-4f n-15d 1 Transition Spectra of Rare-Earth Ions in LiYF4
    Shinta Watanabe, Hiroaki Toyoshima, Kazuyoshi Ogasawara,
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 217-220.
  90. First-principles calculation of optical spectra for rare-earth ions in YF3
    Akihiro Nakamura, Kazuyoshi Ogasawara, and Hisashi Yoshida
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 213-216.
  91. First-Principles Calculation of Multiplet Structures of Rare-Earth Ions in LiYF4 and Related Crystals
    Hiroaki Toyoshima, Shinta Watanabe, Kazuyoshi Ogasawara,
    Bulletin of the Society for Descrete Variational Xα 16, No.2 (2003) 208-212.
  92. Development of DV-Xα and DV-ME programs including the effects of magnetic field
    Kazuyoshi Ogasawara, Hidekazu Ikeno, and Hirohiko Adachi
    Bulletin of the Society for Descrete Variational Xα 16, No.1 (2003) 90-92.
  93. First principles calculation for Ni L2,3-edge XANES of NiO
    Hidekazu Ikeno, Toru Miyamaei, Isao Tanaka, Hirohiko Adachi, and Kazuyoshi Ogasawara
    Bulletin of the Society for Discrete Variational Xα 15, No. 1 (2002) 113-117.
  94. First principles analysis for L2,3-edge XANES/ELNES of 3d transition metal oxides
    Toru Miyamae, Kazuyoshi Ogasawara, Isao Tanaka, and Hirohiko Adachi
    Bulletin of the Society for Discrete Variational Xα 15, No. 1 (2002) 109-112.
  95. Development of symmetry-adapted DV-ME computation code
    Kazuyoshi Ogasawara, Koji Fujimura, Toru Miyamae, Hidekazu Ikeno, and Hirohiko Adachi
    Bulletin of the Society for Discrete Variational Xα 15, No. 2 (2002) 126-128.
  96. Relativistic multiplet calculations of absorption spectra for rare-earth-based solid-state laser materials
    Koji Fujimura, Tetsuya Tohei, Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka, and Hirohiko Adachi
    Bulletin of the Society for Discrete Variational Xα 14, No. 2 (2001) 228-232.
  97. First-principles calculations for electron spectroscopy of NiO
    Yoichi Fukuda, Takahiro Iwata, Kazuyoshi Ogasawara, Isao Tanaka, and Hirohiko Adachi
    Bulletin of the Society for Discrete Variational Xα 14, No. 2 (2001) 208-212.
  98. Relativistic MO calculations with spin polarization on lanthanide, actinide compounds
    Toru Miyamae, Koji Fujimura, Takugo Ishii, Kazuyoshi Ogasawara, Shigeto R. Nishitani,
    Isao Tanaka, Hirohiko Adachi, Atsushi Aoshima, and Yoshikazu Koma
    Bulletin of the Society for Discrete Variational Xα 14, No. 1 (2001) 74-77.
  99. Theoretical calculation of excited absorption in Cr4+ : Mg2SiO4
    Takugo Ishii, Kazuyoshi Ogasawara, H. Adachi
    OSA Trends in Optics and Photonics
  100. Theoretical calculation of excited-state absorption in Cr4+:Mg2SiO4 (forsterite)
    Takugo Ishii, Kazuyoshi Ogasawara, and Hirohiko Adachi,
    Technical Digest of Advanced Solid-State Lasers 2001.
  101. First-Principle Calculation of Peak Energies and Intensities in Optical Absorption Spectrum of Cr4+: Ca2GeO4
    Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    OSA Trends in Optics and Photonics, 34 (2000) 514-521.
  102. First-principles calculation for optical spectrum of Cr4+: melilite cryystals
    Koji Fujimura, Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 13, No. 2 (2000) 255-259.
  103. First-principles calculation of the optical spectra for Cr3+ based solid-state laser materials
    Masateru Yamamoto, Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 13, No. 2 (2000) 250-254.
  104. First-principles calculation for Ti-L2,3 edge ELNES of TiO2 (rutile) and SrTiO3
    Takahiro Iwata, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 13, No. 2 (2000) 205-209.
  105. Development of relativistic DV-ME method
    Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 13, No. 1 (2000) 89-90.
  106. First-principle calculation of peak energies and intensities in optical absorption spectrum of Cr4+:Ca2GeO4
    Takugo Ishii, Kazuyoshi Ogasawara, and Hirohiko Adachi,
    Technical Digest of Advanced Solid-State Lasers 2000.
  107. Theoretical calculation of Ti-L2,3 edge ELNES of TiO2 (rutile)
    Takahiro Iwata, Masato Yoshiya, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 12 , No. 1(1999) 43-47.
  108. First-principles calculation of the optical spectrum for Cr3+ in MgO
    Masateru Yamamoto, Takugo Ishii, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 12 , No. 2 (1999) 79-83.
  109. Calculation of electronic structure of open-shell systems based on the full-potential DV-Xa method
    Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 12 , No. 2 (1999) 57-61.
  110. Interaction between oxygen and 3d transition-metal impurities on ZnO (1010) surface
    Fumiyasu Oba, Isao Tanaka, Kazuyoshi Ogasawara and Hirohiko Adachi,
    Proceedings of US-Japan workshop on ELECTRICALLY ACTIVE CERAMIC INTERFACES (1998) 141.
  111. Theoretical Calculations of Optical Transition for Transition-Metal Impurities Doped in MgO and α-Al2O3
    Kazuyoshi Ogasawara, Yukiko Ito, Takugo Ishii, Hidenori Ida, Isao Tanaka and Hirohiko Adachi,
    Proceedings of US-Japan workshop on ELECTRICALLY ACTIVE CERAMIC INTERFACES (1998) 225.
  112. Core-hole effects on B-K edge ELNES from boron nitride polytypes
    Hiroyuki Araki, Isao Tanaka, Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 11 (1998) 70-72.
  113. First-principles calculation of multiplet structure in chromium ions doped laser materials
    Takugo Ishii, Yukiko Ito, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 11 (1998) 181-183.
  114. Effect of low symmetry on multiplet structures
    Yukiko Ito, Takugo Ishii, Kazuyoshi Ogasawara, and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 11 (1998) 178-180.
  115. First-principles calculation of multiplet energy including electron correlation effects
    Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 11 (1998) 175-177.
  116. Electronic states of transition metal ions in SiO2 glasses
    Issei Hashimura, Isao Tanaka, Kazuyoshi Ogasawara, and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 10, No. 1 (1997) 65-69.
  117. First-principles calculation of multiplet energy based on DV-Xα method
    Kazuyoshi Ogasawara, Takugo Ishii, Motoki Sone, Hidenori Ida, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 10, No. 2 (1997) 85-89.
  118. 新しい金属性LB膜の開発における材料設計
    小笠原一禎
    水曜会誌，22 (1996) 458-459.
  119. Theoretical calculation of optical transition of transition metal impurities doped in MgO
    Ida Hidenori, Kazuyoshi Ogasawara, Isao Tanaka and Hirohiko Adachi,
    Bulletin of the Society for Discrete Variational Xα 9, No. 1 (1996) 37-40.
  120. X-ray Diffraction and ESR of BO-C10TCNQ Conductive LB Film
    Kazuyoshi Ogasawara, Takehiko Ishiguro, Sachio Horiuchi, Hideki Yamochi and Gunzi Saito,
    Extended Abstracts of The 5th International Symposium on Bioelectronic and
    Molecular Electronic Devices and The 6th International Conference on Molecular
    Electronics and Biocomputing (1995) 251-255.
  121. X-RAY STUDY ON DIMERIZED LANGMUIR-BLODGETT SUPERLATTICE FILMS AT LOW TEMPERATURE
    Yoshio Nogami, Kazuyoshi Ogasawara, Shigeki Takeuchi, Takehiko Ishiguro, Tetsuo Nakajima,
    Photon Factory Act. Rep. 10 (1992) 159.
  122. X-RAY DIFFRACTION STUDY OF QUASI-PERIODIC LANGMUIR-BLODGETT FIBONACCHI-LATTICE FILMS
    Yoshio Nogami, Shigeki Takeucchi, Kazuyoshi Ogasawara, Takehiko Ishiguro, Kazumasa Ohsumi and Yutaka Shimizugawa,
    Photon Factory Act. Rep. 10 (1992) 75.
  123. Anomalous oscillational structure in x-ray diffraction vector for superstructured heterogeneous Langmuir-Blodgett films
    Yoshio Nogami, Kazuyoshi Ogasawara, Shigeki Takeuchi, Takehiko Ishiguro, Kazumasa Ohsumi and Yutaka Shimizugawa,
    Photon Factory Act. Rep. 9 (1991) 55.
 
 

Review Papers (8)

  1. Current Situation and Future Development of Discrete Variational Multielectron Method
    Kazuyoshi Ogasawara and Shinta Watanabe
    Adv. Quant. Chem. 54 (2008) 297-314.
  2. 理論的アプローチによる希土類添加蛍光体の開発
    小笠原一禎
    応用物理　76 (2007) 1394-1397.
  3. 第一原理相対論配置間相互作用法による希土類添加蛍光体の光学スペクトルの解析
    渡邊真太，豊島広朗，吉田尚史，小笠原一禎
    セラミックス 41 (2006) 588-592.
  4. DV-Xa法による蛍光体の電子構造
    吉田尚史、小笠原一禎
    第308回蛍光体同学会予稿集 (2005)
  5. 小笠原一禎，渡邊真太，豊島広朗，吉田尚史，石井琢悟，Mikhail G. Brik
    応用物理学会結晶工学分科会　第122回研究会テキスト(2004) 43-51.
  6. 第一原理計算による固体レーザー材料の理論的探索
    小笠原一禎
    電気学会研究会論文 OQD-03-6 (2003) 29-33.
  7. 結晶中の遷移金属イオンによるＸ線吸収端近傍微細構造の第一原理計算
    小笠原一禎
    固体物理 37 (2002) 389-395.
  8. 電子顕微鏡を用いた電子分光の理論計算による解釈
    田中功，溝口輝康，吉矢真人，岩田貴普，小笠原一禎，足立裕彦
    電子顕微鏡 35 (2000) 221-229. 
 

Books (6)

  1. DV-Xα法の希土類材料への応用
    小笠原一禎
    「希土類の材料技術ハンドブック」第35章　材料設計計算手法　第1節pp.863-870 （NTS，2005）
  2. “Fist-principles calculations of spectral properties of rare earth and transition metal ions in crystal” (Transworld Research Network, 2007)
    Edited by M.G. Brik and K. Ogasawara
  3. First-principles calculations of 4fn-4fn-15d transition spectra
    K. Ogasawara, S. Watanabe, H. Toyoshima, M.G. Brik
    ”Handbook on Physics and Chemistry of Rare Earths”, Vol. 37, Chapter 231 (Elsevier,2007).
  4. Optical Materials
    Kazuyoshi Ogasawara, and Hirohiko Adachi,
    in "DV-Xα method for design and characterization of materials",
    129-149 (2006, Springer-Verlag).
  5. レーザー結晶
    小笠原一禎
    「ナノマテリアル工学体系」第１巻　ニューセラミックス・ガラス，第５章　ナノ構造デザイン，第３節　応用　[6] 　pp.712-720 （フジテクノシステム，2005）
  6. First-Principles calculation of multiplet energy of transition-metal ions in crystals based on density-functional theory
    Kazuyoshi Ogasawara, Takugo Ishii, Isao Tanaka and Hirohiko Adachi,
    in "Recent Advances in Density Functional Method" (2002, World Scientific).
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